/* ============================================================
   COMMAND SURFACE — Base & Components
   Pairs with tokens.css. All theme values via tokens — no raw hex
   for themed surfaces (grammar rule).
   ============================================================ */

/* ---------- reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { scroll-behavior: smooth; }
html.lenis { height: auto; }
.lenis.lenis-smooth { scroll-behavior: auto; }
body {
  background: var(--bg);
  color: var(--foreground);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
  transition: background-color .35s ease, color .35s ease;
}
img, video, canvas, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; background: none; border: 0; color: inherit; cursor: pointer; }
::selection { background: rgba(var(--cyan-rgb), .28); color: var(--foreground); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }

::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: rgba(var(--cyan-rgb), .18); border-radius: 5px; border: 2px solid var(--bg); }
::-webkit-scrollbar-thumb:hover { background: rgba(var(--cyan-rgb), .35); }

/* progressive enhancement: hide reveal targets only when JS is live */
html.js [data-reveal] { opacity: 0; }
html.js [data-reveal].is-in { opacity: 1; }

/* ---------- typography ---------- */
h1, h2, h3, h4 { font-family: var(--font-display); color: var(--foreground); line-height: 1.12; font-weight: 700; letter-spacing: -0.02em; }
h1 { font-size: clamp(2.9rem, 6.4vw, 5.6rem); line-height: 1.02; letter-spacing: -0.03em; }
h2 { font-size: clamp(1.9rem, 3.6vw, 2.9rem); font-weight: 700; }
h3 { font-size: clamp(1.2rem, 2vw, 1.5rem); font-weight: 600; }
p  { color: var(--muted); }
strong { color: var(--foreground); font-weight: 600; }

.lede { font-size: clamp(1.05rem, 1.6vw, 1.3rem); color: var(--text2); line-height: 1.6; }

.label, .eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--dim);
}
.eyebrow { display: inline-flex; align-items: center; gap: .65rem; color: var(--accent); }
.eyebrow::before { content: ""; width: 26px; height: 1px; background: var(--accent); opacity: .7; }

.accent { color: var(--accent); }
.accent-glow { color: var(--accent); text-shadow: 0 0 14px rgba(var(--cyan-rgb), .35); }
html[data-theme="light"] .accent-glow { text-shadow: none; }
.grad-text {
  background: linear-gradient(120deg, var(--cyan) 0%, var(--blue) 45%, var(--purple) 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}

/* outlined "stroke" display type (menus, ghost headings) */
.stroke {
  color: transparent;
  -webkit-text-stroke: 1.5px rgba(241, 245, 249, .5);
  font-family: var(--font-display); font-weight: 700; text-transform: uppercase;
}
html[data-theme="light"] .stroke { -webkit-text-stroke-color: rgba(15, 23, 42, .34); }

.kbd, code.inline {
  font-family: var(--font-mono); font-size: .85em;
  background: rgba(var(--cyan-rgb), .08);
  border: 1px solid var(--border);
  padding: .1em .45em; border-radius: 6px; color: var(--accent);
}

/* ---------- atmosphere layers (dark only) ---------- */
html:not([data-theme="light"]) body::before {  /* noise grain */
  content: ""; position: fixed; inset: 0; z-index: 4; pointer-events: none; opacity: .04;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
html:not([data-theme="light"]) body::after {  /* scanlines */
  content: ""; position: fixed; inset: 0; z-index: 4; pointer-events: none; opacity: .035;
  background: repeating-linear-gradient(0deg, transparent 0 2px, rgba(var(--cyan-rgb), .5) 2px 3px, transparent 3px 4px);
}
.dotgrid { position: relative; }
.dotgrid::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image: radial-gradient(var(--dot-grid) 1px, transparent 1.4px);
  background-size: 40px 40px; opacity: .5;
  -webkit-mask-image: radial-gradient(ellipse 85% 75% at 50% 30%, #000 30%, transparent 78%);
          mask-image: radial-gradient(ellipse 85% 75% at 50% 30%, #000 30%, transparent 78%);
}

/* ---------- layout ---------- */
.container { width: min(var(--container), 92vw); margin-inline: auto; }
.container-wide { width: min(var(--container-wide), 94vw); margin-inline: auto; }
section { position: relative; padding: clamp(4.5rem, 9vh, 7.5rem) 0; }
.section-head { display: flex; align-items: end; justify-content: space-between; gap: 2rem; margin-bottom: 2.6rem; flex-wrap: wrap; }
.section-head p { max-width: 46ch; }

/* ---------- nav ---------- */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 90;
  transition: transform .45s cubic-bezier(.22,.8,.3,1), background .3s ease, border-color .3s ease, backdrop-filter .3s ease;
  border-bottom: 1px solid transparent;
}
.nav.is-stuck {
  background: color-mix(in srgb, var(--bg) 78%, transparent);
  -webkit-backdrop-filter: blur(18px) saturate(140%); backdrop-filter: blur(18px) saturate(140%);
  border-bottom-color: var(--border);
}
.nav.is-hidden { transform: translateY(-110%); }
.nav-inner { width: min(var(--container-wide), 94vw); margin-inline: auto; display: flex; align-items: center; justify-content: space-between; height: 76px; gap: 1.5rem; }
.brand { display: flex; align-items: center; gap: .8rem; font-family: var(--font-display); font-weight: 700; font-size: 1.06rem; letter-spacing: -.01em; }
.brand .sigil {
  width: 34px; height: 34px; border-radius: 9px; display: grid; place-items: center;
  font-family: var(--font-mono); font-size: 13px; font-weight: 700; color: var(--bg);
  background: linear-gradient(135deg, var(--cyan), var(--blue));
  box-shadow: var(--glow-ambient);
}
.brand .tld { color: var(--dim); font-weight: 500; }
.nav-links { display: flex; gap: 2rem; align-items: center; }
.nav-links a {
  font-family: var(--font-mono); font-size: 12.5px; font-weight: 600; letter-spacing: .12em;
  text-transform: uppercase; color: var(--muted); position: relative; padding: 6px 0; transition: color .2s;
}
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--foreground); }
.nav-links a::after { content: ""; position: absolute; left: 0; bottom: 0; height: 1.5px; width: 0; background: var(--accent); transition: width .28s cubic-bezier(.22,.8,.3,1); }
.nav-links a:hover::after, .nav-links a[aria-current="page"]::after { width: 100%; }
.nav-actions { display: flex; align-items: center; gap: .9rem; }

.theme-toggle {
  width: 42px; height: 42px; border-radius: 50%; display: grid; place-items: center;
  border: 1px solid var(--border); color: var(--muted); background: var(--surface);
  transition: color .2s, border-color .2s, transform .3s;
}
.theme-toggle:hover { color: var(--accent); border-color: var(--border-bright); transform: rotate(18deg); }
.theme-toggle .sun, html[data-theme="light"] .theme-toggle .moon { display: none; }
html[data-theme="light"] .theme-toggle .sun { display: block; }

.burger { display: none; width: 42px; height: 42px; border-radius: 50%; border: 1px solid var(--border); place-items: center; }
.burger span { display: block; width: 16px; height: 2px; background: var(--foreground); position: relative; }
.burger span::before, .burger span::after { content: ""; position: absolute; left: 0; width: 16px; height: 2px; background: var(--foreground); transition: transform .25s; }
.burger span::before { top: -5px; } .burger span::after { top: 5px; }

/* fullscreen stroke menu */
.menu-overlay {
  position: fixed; inset: 0; z-index: 95; background: color-mix(in srgb, var(--bg) 92%, transparent);
  -webkit-backdrop-filter: blur(22px); backdrop-filter: blur(22px);
  display: grid; place-items: center; opacity: 0; visibility: hidden; transition: opacity .4s ease, visibility .4s;
}
.menu-overlay.open { opacity: 1; visibility: visible; }
.menu-list { list-style: none; padding: 0; display: grid; gap: .4rem; text-align: left; }
.menu-list a {
  display: flex; align-items: baseline; gap: 1.4rem;
  font-size: clamp(2.6rem, 8vw, 5rem);
  transform: translateY(40px); opacity: 0; transition: transform .55s cubic-bezier(.22,.8,.3,1), opacity .55s;
}
.menu-overlay.open .menu-list a { transform: none; opacity: 1; }
.menu-list a .idx { font-family: var(--font-mono); font-size: 13px; font-weight: 600; color: var(--accent); letter-spacing: .1em; }
.menu-list a .word { transition: -webkit-text-stroke-color .25s, color .25s; }
.menu-list a:hover .word { color: var(--accent); -webkit-text-stroke-color: transparent; }
.menu-close { position: absolute; top: 22px; right: 4.5vw; }

/* ---------- buttons / pills / tags ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .6rem;
  font-family: var(--font-mono); font-size: 12.5px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase;
  padding: 1.02rem 1.7rem; border-radius: 999px; min-height: 44px;
  transition: transform .25s cubic-bezier(.22,.8,.3,1), box-shadow .25s, background .25s, color .25s, border-color .25s;
  will-change: transform;
}
.btn-primary { background: linear-gradient(120deg, var(--cyan), var(--blue)); color: #06090f; }
html[data-theme="light"] .btn-primary { color: #f5fbff; }
.btn-primary:hover { box-shadow: 0 10px 30px rgba(var(--cyan-rgb), .15); transform: translateY(-2px); }
.btn-ghost { border: 1px solid var(--border-bright); color: var(--foreground); background: transparent; }
.btn-ghost:hover { background: rgba(var(--cyan-rgb), .07); transform: translateY(-2px); }
.btn-gold { background: linear-gradient(120deg, var(--gold), #d97706); color: #100a02; }
.btn .arr { transition: transform .25s; } .btn:hover .arr { transform: translateX(4px); }

.pill {
  display: inline-flex; align-items: center; gap: .55rem;
  font-family: var(--font-mono); font-size: 11px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase;
  padding: .42rem .9rem; border-radius: 999px;
  border: 1px solid rgba(var(--pill-rgb, var(--cyan-rgb)), .3);
  background: rgba(var(--pill-rgb, var(--cyan-rgb)), .1);
  color: rgb(var(--pill-rgb, var(--cyan-rgb)));
}
.pill .dot { width: 7px; height: 7px; border-radius: 50%; background: currentColor; animation: pulse 2s ease-in-out infinite; }
@keyframes pulse { 0%,100% { opacity: 1; box-shadow: 0 0 0 0 rgba(var(--pill-rgb, var(--cyan-rgb)), .35);} 50% { opacity: .55; box-shadow: 0 0 0 6px transparent; } }

.sticker {
  display: inline-block; transform: rotate(-4deg);
  font-family: var(--font-mono); font-size: 11px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase;
  padding: .5rem .85rem; border-radius: 10px;
  background: var(--card-grad); border: 1px solid var(--border-bright); color: var(--accent);
  box-shadow: var(--shadow-card);
}
.sticker.gold { color: var(--gold); border-color: rgba(var(--gold-rgb), .4); }

/* ---------- glass cards ---------- */
.glass {
  position: relative; border-radius: var(--r-md);
  background: var(--card-grad);
  -webkit-backdrop-filter: blur(20px) saturate(140%); backdrop-filter: blur(20px) saturate(140%);
  border: 1px solid var(--border-soft);
  box-shadow: var(--shadow-card), inset 0 1px 0 rgba(255,255,255,.04);
  transition: transform .35s cubic-bezier(.22,.8,.3,1), box-shadow .35s, border-color .35s;
}
html[data-theme="light"] .glass { box-shadow: var(--shadow-card); }
.glass:hover { transform: translateY(-3px); border-color: var(--border-bright); box-shadow: var(--shadow-card), var(--glow-hover); }
.glass.static:hover { transform: none; }
.glass-accent { border-top: 2px solid rgba(var(--a-rgb, var(--cyan-rgb)), .65); }

.hud { position: relative; }
.hud::before, .hud::after {
  content: ""; position: absolute; width: 14px; height: 14px; pointer-events: none;
  border-color: rgba(var(--cyan-rgb), .55); border-style: solid; transition: border-color .3s;
}
.hud::before { top: 10px; left: 10px; border-width: 1.5px 0 0 1.5px; }
.hud::after { bottom: 10px; right: 10px; border-width: 0 1.5px 1.5px 0; }

/* ---------- stats ---------- */
.statbar { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 1px; background: var(--border-soft); border: 1px solid var(--border-soft); border-radius: var(--r-lg); overflow: hidden; }
.stat { background: var(--bg2); padding: 1.7rem 1.5rem; text-align: left; transition: background .3s; }
html[data-theme="light"] .stat { background: var(--bg2); }
.stat .num { font-family: var(--font-mono); font-weight: 700; font-size: clamp(1.9rem, 3.2vw, 2.7rem); color: var(--accent); font-variant-numeric: tabular-nums; letter-spacing: -.02em; }
.stat .num .suffix { color: var(--dim); font-size: .6em; }
.stat .lbl { margin-top: .45rem; font-family: var(--font-mono); font-size: 11px; font-weight: 600; letter-spacing: .16em; text-transform: uppercase; color: var(--dim); }
.stat.gold .num { color: var(--gold); } .stat.purple .num { color: var(--purple); } .stat.green .num { color: var(--green); }

/* ---------- marquee ---------- */
.marquee { overflow: hidden; border-block: 1px solid var(--border); padding: 1.05rem 0; position: relative;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
          mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); }
.marquee-track { display: flex; gap: 3.2rem; width: max-content; animation: marquee 30s linear infinite; }
.marquee:hover .marquee-track { animation-play-state: paused; }
.marquee-track span { font-family: var(--font-mono); font-size: 12.5px; font-weight: 600; letter-spacing: .22em; text-transform: uppercase; color: var(--dim); display: flex; align-items: center; gap: 3.2rem; white-space: nowrap; }
.marquee-track span::after { content: "◆"; color: var(--accent); font-size: 8px; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ---------- hero scaffolding ---------- */
.hero { position: relative; min-height: 100svh; display: flex; align-items: center; overflow: clip; padding: 7.5rem 0 4rem; }
/* sticky scrollytelling: the stage stays in view (native sticky — scrollbar keeps
   moving, no pin lock) while the section provides the scroll distance for the beats */
.hero-story { position: relative; height: 140vh; }   /* was 170vh — release to content sooner, beats stay readable */
.hero-stage { position: sticky; top: 0; height: 100svh; }
/* positional parallax during the sticky hold — the "scroll forever / frozen" feeling came
   from opacity-only beats with no spatial movement. These give the eye motion feedback. */
.hero-stage .hero-grid { transform: translateY(calc(var(--scrub, 0) * -30px)); }
.hero-stage .ghost-word { transform: translateY(calc(var(--scrub, 0) * -58px)); }
.hero-stage .hero-media { transform: scale(calc(1 + var(--scrub, 0) * .05)) translateY(calc(var(--scrub, 0) * 16px)); }
/* progress dots — honest "you're 1/3 → 3/3 through the hero" affordance */
.story-dots { position: absolute; left: 50%; bottom: 70px; transform: translateX(-50%); display: flex; gap: 9px; z-index: 3; }
.story-dots i { width: 7px; height: 7px; border-radius: 999px; background: var(--border-bright); transition: background .35s, transform .35s, box-shadow .35s; }
.story-dots i.on { background: var(--accent); transform: scale(1.2); box-shadow: 0 0 8px rgba(var(--cyan-rgb), .5); }
/* radial scrim — guarantees hero copy a calm backdrop over the particle field, which is
   densest on the right. Sits above the 3D canvas (z-1) and below the text (z+1). */
.hero-stage::after { content: ""; position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background: linear-gradient(95deg, rgba(10,10,15,.88) 0%, rgba(10,10,15,.44) 40%, transparent 66%); }
html[data-theme="light"] .hero-stage::after {
  background: linear-gradient(95deg, rgba(245,247,251,.97) 0%, rgba(245,247,251,.74) 46%, rgba(245,247,251,.2) 76%); }
.hero-stage > .container { position: relative; z-index: 1; }
.hero-stage h1, .hero-stage .lede { text-shadow: 0 1px 14px rgba(0,0,0,.55); }
html[data-theme="light"] .hero-stage h1, html[data-theme="light"] .hero-stage .lede { text-shadow: 0 1px 10px rgba(245,247,251,.9); }
@media (prefers-reduced-motion: reduce) {
  .hero-story { height: auto; }
  .hero-stage { position: relative; height: auto; min-height: 100svh; }
  .story-cap .beat:not(.on) { display: none; }
}
.hero-media { position: absolute; inset: 0; z-index: -2; }
.hero-media img, .hero-media video { width: 100%; height: 100%; object-fit: cover; }
.hero-media::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(10,10,15,.6) 0%, transparent 24%), var(--hero-scrim); }
html[data-theme="light"] .hero-media::after { background: linear-gradient(180deg, rgba(245,247,251,.94) 0%, rgba(245,247,251,.3) 28%, transparent 50%), var(--hero-scrim); }
html[data-theme="light"] .hero-media img { opacity: .9; }
html[data-theme="light"] .hero-media video { opacity: .32; }
html[data-theme="light"] .hero-canvas { opacity: .5; }
.hero-canvas { position: absolute; inset: 0; z-index: -1; }
.hero-canvas canvas { width: 100%; height: 100%; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr); gap: 3rem; align-items: center; }
.hero h1 .line { display: block; overflow: hidden; }
.hero h1 .line > span { display: inline-block; }
.hero-meta { display: flex; gap: 2.2rem; flex-wrap: wrap; margin-top: 2.6rem; font-family: var(--font-mono); font-size: 12px; letter-spacing: .14em; text-transform: uppercase; color: var(--dim); }
.hero-meta b { color: var(--muted); font-weight: 600; }
.scroll-cue { position: absolute; bottom: 26px; left: 50%; transform: translateX(-50%); display: flex; flex-direction: column; align-items: center; gap: .5rem; color: var(--dim); font-family: var(--font-mono); font-size: 10.5px; letter-spacing: .3em; text-transform: uppercase; }
.scroll-cue::after { content: ""; width: 1px; height: 38px; background: linear-gradient(var(--accent), transparent); animation: cue 1.8s ease-in-out infinite; }
@keyframes cue { 0% { transform: scaleY(0); transform-origin: top; } 55% { transform: scaleY(1); transform-origin: top; } 56% { transform-origin: bottom; } 100% { transform: scaleY(0); transform-origin: bottom; } }

/* scan pass — hero only, dark only */
html:not([data-theme="light"]) .scanpass::before {
  content: ""; position: absolute; inset: 0; z-index: 1; pointer-events: none;
  background: linear-gradient(180deg, transparent 0%, rgba(var(--cyan-rgb), .045) 50%, transparent 100%);
  background-size: 100% 220px; background-repeat: no-repeat; animation: scanpass 8s linear infinite;
}
@keyframes scanpass { from { background-position: 0 -240px; } to { background-position: 0 calc(100% + 240px); } }

/* ---------- operator terminal (W3) ---------- */
.opterm {
  border-radius: var(--r-md); overflow: hidden;
  background: color-mix(in srgb, var(--bg2) 82%, transparent);
  -webkit-backdrop-filter: blur(18px) saturate(140%); backdrop-filter: blur(18px) saturate(140%);
  border: 1px solid var(--border-bright);
  box-shadow: var(--shadow-card), var(--glow-ambient);
  font-family: var(--font-mono); cursor: text;
}
.opterm-bar { display: flex; align-items: center; gap: .6rem; padding: .6rem .9rem; border-bottom: 1px solid var(--border); }
.opterm-bar .dots { display: flex; gap: 6px; }
.opterm-bar .dots i { width: 10px; height: 10px; border-radius: 50%; background: var(--border-bright); }
.opterm-bar .dots i:nth-child(1){ background: rgba(var(--red-rgb), .8); }
.opterm-bar .dots i:nth-child(2){ background: rgba(var(--gold-rgb), .8); }
.opterm-bar .dots i:nth-child(3){ background: rgba(var(--green-rgb), .8); }
.opterm-bar .ttl { font-size: 11px; letter-spacing: .14em; text-transform: uppercase; color: var(--dim); }
.opterm-bar .ttl .blip { color: var(--green); }
.opterm-out { padding: .9rem 1rem .4rem; max-height: 168px; overflow-y: auto; font-size: 12.5px; line-height: 1.7; }
.opterm-line { color: var(--text2); white-space: pre-wrap; word-break: break-word; }
.opterm-line.echo { color: var(--muted); }
.opterm-line a { border-bottom: 1px solid rgba(var(--cyan-rgb), .3); }
.opterm-line a:hover { border-bottom-color: var(--cyan); }
.opterm .c-cyan { color: var(--cyan); } .opterm .c-gold { color: var(--gold); }
.opterm .c-green { color: var(--green); } .opterm .c-red { color: var(--red); }
.opterm .c-dim { color: var(--dim); } .opterm .c-fg { color: var(--foreground); }
.opterm .c-prompt { color: var(--green); }
.opterm-row { display: flex; align-items: center; gap: .5rem; padding: .3rem 1rem 1rem; position: relative; }
.opterm-row .ps { color: var(--green); font-size: 12.5px; white-space: nowrap; }
.opterm-row .ps .dollar { color: var(--dim); }
.opterm-wrap { position: relative; flex: 1; }
.opterm-input {
  width: 100%; background: transparent; border: 0; outline: none; color: var(--foreground);
  font-family: var(--font-mono); font-size: 12.5px; caret-color: transparent; padding: 0;
}
.opterm-caret { position: absolute; left: 0; top: 50%; width: 8px; height: 15px; margin-top: -7.5px;
  background: var(--cyan); opacity: .8; animation: termblink 1.05s step-end infinite; pointer-events: none; }
.opterm:not(.ready) .opterm-row { opacity: .4; }
@keyframes termblink { 0%, 55% { opacity: .85; } 56%, 100% { opacity: 0; } }

/* ---------- living-core story captions/labels (W2) ---------- */
.story-cap { position: relative; min-height: clamp(300px, 42vh, 380px); }
/* SEQUENCED crossfade — outgoing beat fades out FAST (.15s) and drifts up; incoming waits
   (.18s delay, after the outgoing is fully gone) before fading in. The gap means zero
   temporal overlap → no double-exposure and no lingering low-opacity ghost. */
.story-cap .beat { position: absolute; inset: 0; opacity: 0; transform: translateY(22px); transition: opacity .15s ease, transform .15s ease; pointer-events: none; }
.story-cap .beat.on { opacity: 1; transform: none; transition: opacity .34s ease .18s, transform .46s cubic-bezier(.22,.8,.3,1) .18s; pointer-events: auto; }
.story-cap h1 { font-size: clamp(2.3rem, 4.2vw, 3.5rem); line-height: 1.06; max-width: 15ch; }
.story-cap .lede { margin-top: 1.2rem !important; max-width: 44ch; }
.domain-tags { display: flex; gap: .6rem; flex-wrap: wrap; margin-top: 1.4rem; opacity: 1; }
.domain-tags .dtag { display: inline-flex; align-items: center; gap: .5rem; font-family: var(--font-mono); font-size: 11px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; padding: .4rem .8rem; border-radius: 999px; border: 1px solid rgba(var(--dc), .35); background: rgba(var(--dc), .1); color: rgb(var(--dc)); }
.domain-tags .dtag .v { color: var(--text2); font-weight: 600; }

/* ---------- media frame ---------- */
.media-frame { border-radius: var(--r-lg); overflow: hidden; border: 1px solid var(--border); background: var(--bg2); }
.media-frame figcaption { display: flex; justify-content: space-between; gap: 1rem; padding: .8rem 1.1rem; border-top: 1px solid var(--border); font-family: var(--font-mono); font-size: 11px; letter-spacing: .12em; text-transform: uppercase; color: var(--dim); }
.media-frame img { width: 100%; cursor: zoom-in; transition: transform .6s cubic-bezier(.22,.8,.3,1); }
.media-frame:hover img { transform: scale(1.025); }

/* ---------- prose (articles & lessons) ---------- */
.prose { max-width: 72ch; }
.prose > * + * { margin-top: 1.35rem; }
.prose p { font-size: 17.5px; line-height: 1.75; color: var(--muted); }
.prose h2 { margin-top: 3.2rem; font-size: clamp(1.5rem, 2.6vw, 2rem); }
.prose h3 { margin-top: 2.4rem; }
.prose h2 .hash { color: var(--accent); opacity: .6; margin-right: .4rem; font-family: var(--font-mono); font-weight: 600; }
.prose a { color: var(--accent); border-bottom: 1px solid rgba(var(--cyan-rgb), .35); transition: border-color .2s; }
.prose a:hover { border-bottom-color: var(--accent); }
.prose ul { padding-left: 1.2rem; color: var(--muted); line-height: 1.75; }
.prose li::marker { color: var(--accent); }
.prose blockquote { border-left: 2px solid var(--accent); padding: .3rem 0 .3rem 1.4rem; color: var(--text2); font-size: 1.12rem; }

/* code blocks */
.codeblock { border-radius: var(--r-md); border: 1px solid var(--code-border); background: var(--code-bg); overflow: hidden; box-shadow: var(--glow-ambient); }
.codeblock header { display: flex; justify-content: space-between; align-items: center; padding: .65rem 1.1rem; border-bottom: 1px solid var(--code-border); font-family: var(--font-mono); font-size: 11px; letter-spacing: .14em; text-transform: uppercase; color: var(--dim); }
.codeblock header .copy { color: var(--dim); transition: color .2s; font-family: var(--font-mono); font-size: 11px; letter-spacing: .1em; text-transform: uppercase; }
.codeblock header .copy:hover { color: var(--accent); }
.codeblock pre { padding: 1.2rem 1.3rem; overflow-x: auto; font-family: var(--font-mono); font-size: 14px; line-height: 1.7; color: var(--code-text); }
.tok-k { color: var(--code-keyword); } .tok-s { color: var(--code-string); } .tok-n { color: var(--code-number); }
.tok-f { color: var(--code-fn); } .tok-c { color: var(--code-comment); font-style: italic; }

/* callouts */
.callout { display: grid; grid-template-columns: auto 1fr; gap: .9rem; padding: 1.15rem 1.3rem; border-radius: var(--r-md); border: 1px solid rgba(var(--a-rgb, var(--cyan-rgb)), .25); background: rgba(var(--a-rgb, var(--cyan-rgb)), .07); }
.callout .ico { width: 22px; height: 22px; color: rgb(var(--a-rgb, var(--cyan-rgb))); }
.callout .t { font-family: var(--font-mono); font-size: 11px; font-weight: 700; letter-spacing: .16em; text-transform: uppercase; color: rgb(var(--a-rgb, var(--cyan-rgb))); margin-bottom: .35rem; }
.callout p { font-size: 15.5px; line-height: 1.6; color: var(--text2); }

/* quotes */
.mquote, .pquote { position: relative; padding: 1.6rem 1.8rem; border-radius: var(--r-md); background: var(--card-grad); border: 1px solid var(--border-soft); border-left: 3px solid var(--gold); }
.pquote { border-left-color: var(--purple); }
.mquote .q, .pquote .q { font-size: 1.16rem; line-height: 1.6; color: var(--foreground); font-weight: 500; }
.pquote .q { font-style: italic; font-family: Georgia, "Times New Roman", serif; font-weight: 400; }
.mquote .a, .pquote .a { margin-top: .9rem; font-family: var(--font-mono); font-size: 11.5px; font-weight: 600; letter-spacing: .16em; text-transform: uppercase; color: var(--gold); }
.pquote .a { color: var(--purple); }

/* ---------- v2 diagram primitives ---------- */
.dg { border-radius: var(--r-lg); border: 1px solid var(--dg-frame-border); background: var(--dg-bg); box-shadow: var(--dg-frame-shadow); overflow: hidden; cursor: zoom-in; }
.dg-head { display: flex; justify-content: space-between; align-items: center; padding: .9rem 1.2rem 0; }
.dg-title { font-family: var(--font-mono); font-size: 12.5px; font-weight: 700; letter-spacing: .18em; text-transform: uppercase; color: var(--dg-text); }
.dg-zoom { font-family: var(--font-mono); font-size: 10.5px; letter-spacing: .1em; color: var(--dg-dim); border: 1px solid var(--dg-line); border-radius: 999px; padding: .2rem .6rem; }
.dg-sub { padding: .25rem 1.2rem .9rem; font-family: var(--font-mono); font-size: 11px; letter-spacing: .06em; color: var(--dg-dim); }
.dg-canvas { position: relative; background-image: radial-gradient(var(--dg-grid) 1px, transparent 1.3px); background-size: 26px 26px; }
.dg-node {
  position: absolute; border-radius: 10px; padding: .65rem .8rem;
  background: var(--dg-node-bg); border: 1px solid color-mix(in srgb, var(--a, var(--c-cyan)) 45%, var(--dg-line));
  box-shadow: var(--dg-node-shadow);
}
html:not([data-theme="light"]) .dg-node {
  box-shadow: var(--dg-node-shadow),
    0 0 14px color-mix(in srgb, var(--a, var(--c-cyan)) 12%, transparent),
    inset 0 0 22px color-mix(in srgb, var(--a, var(--c-cyan)) 5%, transparent);
}
.dg-node .chip { display: block; width: fit-content; font-family: var(--font-mono); font-size: 10px; font-weight: 700; letter-spacing: .1em; padding: .12rem .45rem; border-radius: 6px; color: var(--dg-bg); background: var(--a, var(--c-cyan)); margin-bottom: .4rem; }
.dg-node .nm { white-space: nowrap; }
.dg-node .nm { font-family: var(--font-mono); font-size: 12.5px; font-weight: 700; color: var(--dg-text); letter-spacing: .02em; }
.dg-node .tt { font-family: var(--font-mono); font-size: 10px; font-weight: 600; letter-spacing: .14em; color: var(--a, var(--c-cyan)); text-transform: uppercase; margin-left: .45rem; }
.dg-node .rl { margin-top: .3rem; font-family: var(--font-mono); font-size: 11px; color: var(--dg-muted); line-height: 1.45; }
.dg-zone { position: absolute; border: 1px dashed color-mix(in srgb, var(--a, var(--c-cyan)) 38%, transparent); border-radius: 14px; }
.dg-zone .zl { position: absolute; top: -9px; left: 14px; background: var(--dg-bg); padding: 0 .6rem; font-family: var(--font-mono); font-size: 10.5px; font-weight: 700; letter-spacing: .2em; color: var(--a, var(--c-cyan)); }
.dg-wire { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; }
.dg-wire path { fill: none; stroke-width: 1.6; }
.dg-wire .hot { stroke: var(--c-cyan); stroke-width: 2; }
html:not([data-theme="light"]) .dg-wire .hot { filter: drop-shadow(0 0 4px var(--dg-wireglow)); }
.dg-wire .flow { stroke: var(--dg-flow); stroke-width: 2; stroke-dasharray: 7 90; animation: dgflow 2.6s linear infinite; }
@keyframes dgflow { to { stroke-dashoffset: -97; } }
.dg-wire .cron { stroke: var(--c-gold); stroke-dasharray: 5 4; }
.dg-wire .data { stroke: var(--c-blue); stroke-dasharray: 5 4; }
.dg-wire .loop { stroke: var(--c-purple); stroke-width: 2; }
.dg-wire .ext  { stroke: var(--c-slate); stroke-dasharray: 4 3; }
.dg-elabel { position: absolute; font-family: var(--font-mono); font-size: 10.5px; font-weight: 600; letter-spacing: .08em; color: var(--a, var(--c-cyan)); background: var(--dg-bg); border: 1px solid color-mix(in srgb, var(--a, var(--c-cyan)) 35%, var(--dg-line)); padding: .12rem .5rem; border-radius: 999px; }
.insight { display: flex; gap: .7rem; align-items: baseline; margin: 0; padding: .95rem 1.2rem; border-top: 1px solid var(--dg-line); background: color-mix(in srgb, var(--a, var(--c-cyan)) 6%, var(--dg-bg)); }
.insight b { font-family: var(--font-mono); font-size: 11px; font-weight: 700; letter-spacing: .16em; color: var(--a, var(--c-cyan)); white-space: nowrap; }
.insight span { font-size: 14.5px; line-height: 1.55; color: var(--dg-muted); }

/* diagram lightbox */
.dg-lightbox { position: fixed; inset: 0; z-index: 200; background: color-mix(in srgb, var(--bg) 94%, transparent); -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px); display: none; place-items: center; padding: 4vmin; cursor: zoom-out; }
.dg-lightbox.open { display: grid; }
.dg-lightbox .dg { width: min(1100px, 94vw); cursor: default; }

/* ---------- quiz / knowledge check ---------- */
.kc { border-radius: var(--r-lg); border: 1px solid var(--border); background: var(--card-grad); overflow: hidden; }
.kc-head { display: flex; align-items: center; justify-content: space-between; padding: 1rem 1.4rem; border-bottom: 1px solid var(--border); }
.kc-head .t { font-family: var(--font-mono); font-size: 11.5px; font-weight: 700; letter-spacing: .18em; text-transform: uppercase; color: var(--accent); }
.kc-head .xp { font-family: var(--font-mono); font-size: 11px; font-weight: 700; color: var(--purple); }
.kc-q { padding: 1.3rem 1.4rem .4rem; font-size: 1.08rem; font-weight: 600; color: var(--foreground); line-height: 1.5; }
.kc-opts { display: grid; gap: .6rem; padding: 1rem 1.4rem 1.4rem; }
.kc-opt { display: flex; gap: .85rem; align-items: center; text-align: left; padding: .85rem 1rem; border-radius: 10px; border: 1px solid var(--border-soft); background: var(--surface2); transition: border-color .2s, background .2s, transform .2s; font-size: 15.5px; color: var(--text2); }
.kc-opt:hover { border-color: var(--border-bright); transform: translateX(3px); }
.kc-opt .key { font-family: var(--font-mono); font-size: 11px; font-weight: 700; color: var(--dim); border: 1px solid var(--border-soft); width: 24px; height: 24px; border-radius: 7px; display: grid; place-items: center; flex: none; }
.kc-opt.correct { border-color: rgba(var(--green-rgb), .6); background: rgba(var(--green-rgb), .12); color: var(--foreground); }
.kc-opt.correct .key { background: var(--green); color: var(--bg); border-color: transparent; }
.kc-opt.wrong { border-color: rgba(var(--red-rgb), .55); background: rgba(var(--red-rgb), .1); }
.kc-expl { display: none; margin: 0 1.4rem 1.4rem; padding: 1rem 1.2rem; border-radius: 10px; border: 1px solid rgba(var(--green-rgb), .3); background: rgba(var(--green-rgb), .07); font-size: 14.5px; line-height: 1.6; color: var(--text2); }
.kc-expl.show { display: block; }

/* XP toast */
.xp-toast { position: fixed; right: 26px; bottom: 26px; z-index: 150; display: flex; align-items: center; gap: .9rem; padding: .95rem 1.3rem; border-radius: var(--r-md); background: var(--card-grad); border: 1px solid rgba(var(--purple-rgb), .45); box-shadow: var(--shadow-card), 0 0 24px rgba(var(--purple-rgb), .12); transform: translateY(140%); transition: transform .5s cubic-bezier(.22,.8,.3,1); }
.xp-toast.show { transform: none; }
.xp-toast .badge { width: 38px; height: 38px; border-radius: 10px; display: grid; place-items: center; background: rgba(var(--purple-rgb), .14); color: var(--purple); font-family: var(--font-mono); font-weight: 700; font-size: 12px; }
.xp-toast .t1 { font-family: var(--font-mono); font-size: 12.5px; font-weight: 700; color: var(--foreground); letter-spacing: .04em; }
.xp-toast .t2 { font-family: var(--font-mono); font-size: 10.5px; letter-spacing: .14em; text-transform: uppercase; color: var(--dim); }

/* ---------- track / lesson chrome ---------- */
.progress-rail { height: 4px; border-radius: 999px; background: var(--border-soft); overflow: hidden; }
.progress-rail i { display: block; height: 100%; width: var(--p, 0%); border-radius: inherit; background: linear-gradient(90deg, var(--a-c, var(--cyan)), color-mix(in srgb, var(--a-c, var(--cyan)) 60%, var(--blue))); transition: width .8s cubic-bezier(.22,.8,.3,1); }

.lesson-row { display: grid; grid-template-columns: 56px 1fr auto; align-items: center; gap: 1.1rem; padding: 1.05rem 1.2rem; border: 1px solid var(--border-soft); border-radius: var(--r-md); background: var(--card-grad); transition: border-color .25s, transform .25s; }
.lesson-row:hover { border-color: var(--border-bright); transform: translateX(4px); }
.lesson-row .no { font-family: var(--font-mono); font-size: 13px; font-weight: 700; color: var(--dim); }
.lesson-row .ti { font-weight: 600; color: var(--foreground); font-size: 16px; }
.lesson-row .meta { font-family: var(--font-mono); font-size: 11px; letter-spacing: .1em; text-transform: uppercase; color: var(--dim); margin-top: .2rem; }
.lesson-row .state { font-family: var(--font-mono); font-size: 10.5px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; }
.lesson-row.done .state { color: var(--green); }
.lesson-row.current { border-color: rgba(var(--cyan-rgb), .45); box-shadow: var(--glow-ambient); }
.lesson-row.current .state { color: var(--cyan); }
.lesson-row.locked { opacity: .62; } .lesson-row.locked .state { color: var(--dim); }
.lesson-row.locked:hover { transform: none; border-color: var(--border-soft); }

/* ---------- ToC / reading progress ---------- */
.reading-progress { position: fixed; top: 0; left: 0; right: 0; height: 3px; z-index: 120; background: transparent; }
.reading-progress i { display: block; height: 100%; width: 0; background: linear-gradient(90deg, var(--cyan), var(--purple)); }
.toc { position: sticky; top: 110px; font-size: 14px; }
.toc .t { font-family: var(--font-mono); font-size: 11px; font-weight: 700; letter-spacing: .18em; text-transform: uppercase; color: var(--dim); margin-bottom: 1rem; }
.toc a { display: block; padding: .42rem 0 .42rem 1rem; border-left: 1.5px solid var(--border-soft); color: var(--dim); transition: color .2s, border-color .2s; line-height: 1.45; }
.toc a:hover { color: var(--foreground); }
.toc a.active { color: var(--accent); border-left-color: var(--accent); }

/* ---------- footer ---------- */
footer.site { border-top: 1px solid var(--border); background: color-mix(in srgb, var(--bg2) 60%, var(--bg)); padding: 4.5rem 0 2.2rem; margin-top: 4rem; }
.foot-grid { display: grid; grid-template-columns: 1.3fr repeat(3, 1fr); gap: 2.5rem; }
.foot-grid .t { font-family: var(--font-mono); font-size: 11px; font-weight: 700; letter-spacing: .18em; text-transform: uppercase; color: var(--dim); margin-bottom: 1.1rem; }
.foot-grid ul { list-style: none; padding: 0; display: grid; gap: .55rem; }
.foot-grid a { color: var(--muted); font-size: 14.5px; transition: color .2s; }
.foot-grid a:hover { color: var(--accent); }
.foot-base { display: flex; justify-content: space-between; align-items: center; gap: 1rem; flex-wrap: wrap; margin-top: 3.2rem; padding-top: 1.6rem; border-top: 1px solid var(--border-soft); font-family: var(--font-mono); font-size: 11px; letter-spacing: .12em; text-transform: uppercase; color: var(--dim); }
.foot-base .status { display: inline-flex; gap: .5rem; align-items: center; color: var(--green); }
.foot-base .status::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--green); animation: pulse 2s infinite; }

/* ---------- preloader ---------- */
.preloader { position: fixed; inset: 0; z-index: 999; background: var(--bg); display: grid; place-items: center; }
.preloader .word { font-family: var(--font-display); font-weight: 700; font-size: clamp(2rem, 6vw, 4.2rem); letter-spacing: .04em; display: flex; }
.preloader .word b { display: inline-block; transform: translateY(110%); opacity: 0; }
.preloader .tick { position: absolute; bottom: 8vh; font-family: var(--font-mono); font-size: 12px; letter-spacing: .3em; color: var(--dim); }
.preloader.done { pointer-events: none; }

/* ---------- custom cursor ---------- */
@media (hover: hover) and (pointer: fine) {
  .cursor-dot, .cursor-ring { position: fixed; top: 0; left: 0; z-index: 500; pointer-events: none; border-radius: 50%; }
  .cursor-dot { width: 6px; height: 6px; background: var(--accent); transform: translate(-50%, -50%); }
  .cursor-ring { width: 34px; height: 34px; border: 1.5px solid rgba(var(--cyan-rgb), .5); transform: translate(-50%, -50%); transition: width .25s, height .25s, border-color .25s; }
  .cursor-ring.on-link { width: 56px; height: 56px; border-color: rgba(var(--cyan-rgb), .9); }
}

/* ---------- reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  html { scroll-behavior: auto; }
  html.js [data-reveal] { opacity: 1 !important; transform: none !important; }
}

/* ---------- responsive ---------- */
@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: 1fr; }
  .foot-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 820px) {
  .nav-links { display: none; }
  .burger { display: grid; }
  body { font-size: 16px; }
  /* hide the oversized header CTA so the hamburger has room and is obvious */
  .nav-actions .btn { display: none; }
  /* mobile hero: NO sticky scrollytelling — clean static hero, single headline,
     cleared below the fixed nav (was clipping the top line + overlapping on swap) */
  .hero-story { height: auto; }
  .hero-stage { position: relative; height: auto; min-height: 100svh; align-items: flex-start; padding-top: 7rem; }
  .hero-stage::after { background: linear-gradient(180deg, rgba(10,10,15,.74) 0%, rgba(10,10,15,.3) 30%, transparent 58%); }
  html[data-theme="light"] .hero-stage::after { background: linear-gradient(180deg, rgba(245,247,251,.88) 0%, rgba(245,247,251,.4) 30%, transparent 58%); }
  .story-cap { min-height: 0; }
  .story-cap .beat { position: relative; opacity: 1; transform: none; transition: none; }
  .story-cap .beat:not(.on) { display: none; }
  .story-dots { display: none; }
  /* mobile static hero: cancel the desktop parallax transforms */
  .hero-stage .hero-grid, .hero-stage .ghost-word, .hero-stage .hero-media { transform: none; }
}
@media (max-width: 600px) {
  .foot-grid { grid-template-columns: 1fr; }
  .statbar { grid-template-columns: 1fr 1fr; }
}